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18 July 2016, 12:40 | Updated: 18 July 2016, 12:44
Hail, flash floods and thunderstorms are set to bring mid-summer misery to parts of Scotland this week.
The Met Office has issued a UK-wide severe weather warning for Tuesday and Wednesday advising of possible disruption to travel, flooding of homes and businesses, and power cuts.
Forecasters believe more than two inches of rain could fall in an hour in places affected by the thundery downpours but say the individual areas which the storms will hit are "hard to predict''.
Met Office spokesman Grahame Madge said: "The whole of the area that is covered by the warning can anticipate some thundery outbreaks.
"We are anticipating the most intense activity to be in Wales, northern England and the Midlands, but the warning area does include Scotland so there are likely to be impacts for Scotland as well.
"Downpours, where they do occur, could be quite heavy and we believe we could see rain of up to 30mm or so in an hour.
"If you get a cluster of storms you could see even more than 50mm in an hour in certain areas, which could cause flash flooding in some areas.
"It's hard to predict where these areas are going to be.
"The thunderstorms can develop very quickly.''
The Met Office warning states: "Whilst most places will miss the worst, please be aware of the risk of flash flooding.
"Frequent lightning, large hail and strong winds could be additional hazards.
"All of this could lead to some flooding of homes, businesses and transport networks.
"Disruption to power is also possible.''
The warning period starts at 5pm on Tuesday and last until 6pm on Wednesday.